The menstrual flow of a large piece of fleshy material may be caused by the thickened endometrium shed with the menstrual flow, but there are also abnormalities, such as miscarriage, endometrial polyps, etc., can be roughly judged according to the specific performance, if there are abnormalities can go to the hospital for examination to clarify the cause. Common causes and treatment 1, miscarriage: for women with a history of sexual intercourse cannot exclude spontaneous abortion after pregnancy and embryonic tissue discharge. For clear diagnosis, it is recommended to check the urine pregnancy test, the outflow of flesh-like material sent to pathological examination in a timely manner, if the pregnancy is aborted, pelvic ultrasound examination is required to clarify whether there is residual tissue in the uterine cavity, if necessary, to give timely clearance; 2, endometrial polyps: when menstruation, endometrial exfoliation bleeding, resulting in local polyps ischemic necrosis, with menstrual blood outflow, flesh-like tissue visible in the menstrual blood, at this time left as specimens to do 3, other: such as endometrial inflammation, endometrial thickening, etc., will also appear rotten flesh-like material, and may be accompanied by dysmenorrhea, you need to go to the hospital in a timely manner, the B ultrasound examination after a clear diagnosis, follow medical advice for drug or surgical treatment. During menstruation, it is advisable to eat light, easy to digest, nutritious food, avoid spicy and stimulating, blood or cold food. Pay attention to keep warm, avoid cold and cold baths, and forbid bathing in a tub. Keep the vulva clean, sanitary pads should be clean, soft and moisture-absorbent, and change the pads and underwear regularly.